Modeling data warehouses is a complex task focusing, very often, into internal structures and implementation issues. In this paper we argue that, in order to accurately reflect the...
Nectaria Tryfona, Frank Busborg, Jens G. Borch Chr...
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
This paper reports results from two field trials of TrottingPal, a mobile system that supports event information management and seamless collaboration between spectators at the tr...
Collaboration over the Internet depends on the ability of the members of a group to exchange data in a secure yet unobtrusive manner. WebDAVA is a system that allows users to deļ¬...
Alexander Levine, Vassilis Prevelakis, John Ioanni...
Peer-to-peer systems recently captured the attention of practitioners and researchers as they provide an attractive alternative to client-server architectures. Peerto-peer enables...